Rail shower



FIG. 1 is a front isometric view of a rail shower according to our new design;

FIG. 2 is a rear isometric view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top view thereof;

FIG. 9 is a view of an enlarged portion of the front isometric view of FIG. 1; and,

FIG. 10 is a view of an enlarged portion of the front view of FIG. 4.

The evenly-spaced broken lines in the figures represent portions of the rail shower that form no part of the claimed design. 

CLAIM The ornamental design for a rail shower, as shown and described. 